Crampon spike, spike unit for crampon, and crampon

ABSTRACT

A crampon spike fastened to a crampon fitted to a shoe is positioned at one or more of the front side of the shoe and the rear side of the shoe, and comprises a plurality of spikes that project in different directions from each other.

TECHNICAL FIELD

The present invention relates to a crampon spike, a spike unit for a crampon, and a crampon, and in particular to a crampon spike, a spike unit for a crampon, and a crampon which are fitted to a shoe.

BACKGROUND ART

A crampon, in general, is a device which can be fitted to a shoe and is able to prevent the shoe from slipping at a slippery area, for example, a snowy area, an iced area, etc.

Such a crampon should be configured to easily fit a shoe and have a predetermined strength since the cramp fitted to the outer side of the shoe directly contacts with an external environment, for example, snow, ice, etc.

DISCLOSURE OF INVENTION Technical Problem

Accordingly, it is an object of the present invention to provide a crampon spike, a spike unit for a crampon, and a crampon which can be easily fitted to a shoe and can inhibit any slipping of the shoe at an inclined and slippery area while enhancing an impact resistance.

Technical Solution

To achieve the above objects, according to a first aspect of the present invention, there is provided a crampon spike fastened to a crampon fitted to a shoe, which may include, but is not limited to, a plurality of spikes which position at one or more of the front side of the shoe and the rear side of the shoe and projects in different directions from each other.

A plurality of spikes each may include a first spike part which extends in a first direction; and a second spike part which includes a bent passing-through part through which the first spike part passes through, a first sub-spike part which extends in a second direction, and a second sub-spike part which is bent end extends from the first sub-spike and extends in a third direction.

The first spike part may include a first through hole which positions at an end thereof, while passing through the same; a second through hole which positions at the other end thereof, while passing through the same; and a first narrow part which positions inside of the bent passing-through part and between the first through hole and the second through hole and has a predetermined width which is narrower than that of each of other portions.

The end thereof is formed tapered, and an engaging ring is engaged to the second through hole.

The bent passing-through part is bent and extends, and the second spike part comprises a third through hole which positions at an end while passing through the same, and a second narrow part which positions between the bent passing-through part and the third through hole and has a predetermined width which is narrower than that of each of other portions.

The second spike part is provided multiple in number, and a plurality of the second spike parts are interconnected to each other.

The second narrow part of any of the neighboring second spike parts positions inside of the bent passing-through part of another second spike part.

The other engaging ring is engaged to the third through hole of the second spike part which positions at the outer most portion among a plurality of the second spike parts.

A plurality of the spikes comprise a third spike part which includes a third sub-spike part tapered and extending in one direction and having a fourth through hole, and a tail part which is bent and extends curved from the third sub-spike part and includes a fifth through hole which is arranged spaced apart from the fourth through hole.

The third spike part further comprises a sixth through hole which positions at the bent portion between the third sub-spike part and the tail part.

The third spike part is provided multiple in number, and a plurality of the third spike parts each are interconnected to each other.

The tail part of any of the neighboring third spike parts passes through the fourth through hole and the fifth through hole of another third spike part.

An engaging ring is engaged passing through the fourth through hole and the fifth through hole of the third spike part which positions at an outer most end portion among a plurality of the third spike parts, and the other engaging ring is engaged to the tail part of the third spike part which positions at the other outer most other end portion.

The tail part has a width which gradually becomes narrower and narrower in the direction from the third sub-spike part to an end portion thereof.

A plurality of the spikes comprise a fourth spike part which includes a fourth sub-spike part which is tapered and extends in one direction and includes a plurality of seventh through holes; and a bent part which is bent and extends from the fourth sub-spike part and includes a plurality of eighth through holes arranged spaced apart from the seventh through holes, and a plurality of ninth through holes arranged spaced apart from the eighth through holes.

The fourth spike part is provided multiple in number, and a plurality of connection rings are further provided to interconnect a plurality of the fourth spike parts.

An end of the connection ring located between the neighboring fourth spike parts is engaged passing through the ninth through hole of any of the neighboring fourth spike parts, and the other end of the connection ring is engaged passing through the seventh through hole and the eighth through hole of another fourth spike part.

Moreover, according to a second aspect of the present invention, there is provided a crampon spike fastened to a crampon fitted to a shoe which may include, but is not limited to a plurality of bottom spikes which position at one or more of the bottom front side of the shoe and the bottom rear side of the shoe and projects in different directions from each other.

A plurality of the bottom spikes comprise a plurality of first bottom spikes which project in the direction of the front side of the shoe, and a plurality of second bottom spikes which project in the direction of the bottom side of the shoe.

A plurality of the first bottom spikes are arranged spaced apart from each other, and a plurality of the second bottom spikes are arranged spaced apart from each other.

Moreover, according to a third aspect of the present invention, there is provided a crampon spike unit fastened to a crampon fitted to a shoe, which may include, but is not limited to, the aforementioned crampon spike; and a crampon bottom spike including a plurality of bottom spikes which are fastened to the crampon spike and position at one or more of the bottom front side of the shoe and the bottom rear side of the shoe and project in different direction from each other.

Furthermore, according to a fourth aspect of the present invention, there is provided a crampon which is fitted to a shoe, which may include, but is not limited to, a flexible band part which covers, in a closed loop shape, the rim of the shoe and forms a first opening part into which the shoe is inserted; and a chain spike part which is connected to the flexible band and covers the shoe in a chain type and includes the aforementioned crampon spike.

The crampon spike positions at the front side and the rear side of the shoe.

The flexible band part is made of a rubber material, and the chain spike part is made of a metal material.

The flexible band part includes one or more second opening parts which are formed in the shape of an island.

There may be further provided one or more logo parts which are connected to the flexible band part and position inside of the second opening part.

Images are provided at the logo part.

Advantageous Effects of the Invention

According to one of the partial embodiments of the technical solutions of the present invention, a crampon spike, a spike unit for a crampon, a crampon are provided, which can be easily fitted to a shoe and are able to inhibit any slipping of the shoe at an inclined and slippery area, while enhancing an impact resistance.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a perspective view illustrating a crampon according to a first embodiment of the present invention.

FIG. 2 is a bottom view illustrating a crampon in FIG. 1.

FIG. 3 is a perspective view illustrating a spike unit for a crampon in FIG. 1.

FIG. 4 is a perspective view illustrating a first crampon spike in FIG. 1.

FIG. 5 is a side view illustrating a first crampon spike in FIG. 1.

FIG. 6 is a perspective view illustrating a second crampon spike in FIG. 1.

FIG. 7 is a side view illustrating a second crampon spike in FIG. 1.

FIG. 8 is a perspective view illustrating a crampon spike according to a third embodiment of the present invention.

FIG. 9 is a side view illustrating a crampon spike according to a third embodiment of the present invention.

FIG. 10 is a perspective view illustrating a crampon spike according to a fourth embodiment of the present invention.

FIG. 11 is a side view illustrating a crampon spike according to a fourth embodiment of the present invention.

FIG. 12 is a perspective view illustrating a crampon according to a fifth embodiment of the present invention.

MODES FOR CARRYING OUT THE INVENTION

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings to the extent that a person having ordinary skill in the art is able to easily implement. It is noted that the present invention may be implemented in various forms, and is not limited to this disclosure.

For the sake of clarified descriptions of the present invention, the matters which are not directly related with the descriptions of the present invention will be omitted, and throughout the specification, the same or similar components will be given the same reference numbers.

Moreover, in various embodiments of the present invention, the components having the same configuration will be given the same reference numbers, which will be representatively described in a first embodiment of the present invention, and in other embodiments, only the components which are different from the components in the first embodiment will be described.

Furthermore, the dimension and thickness of each component illustrated in the drawings are defined randomly for the sake of convenient descriptions, and the present invention is not limited to the illustrated configurations.

In the drawings, it is noted that the thickness is illustrated enlarged so as to express in more clarified forms multiple layers and regions, and the thickness of a predetermined component is illustrated exaggerated for the sake of convenient descriptions.

In addition, throughout the specification, unless otherwise stated herein, the term “comprise” as in “a predetermined member comprises another member” should be interpreted as further including other components, not excluding such other components.

The crampon according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 7.

FIG. 1 is a perspective view illustrating a crampon according to a first embodiment of the present invention. FIG. 2 is a bottom view illustrating a crampon in FIG. 1.

As illustrated in FIGS. 1 and 2, a crampon 1000 according to a first embodiment of the present invention may be configured to fit a shoe so as to prevent any slipping of the shoe and may include, but is not limited to, a flexible band part (FB) and a chain spike part (CP).

The flexible band part (FB) may include a first opening part (OP1) which is configured to cover in a closed loop shape the rim of a shoe, wherein the shoe is inserted into the first opening part (OP1), and a plurality of second opening parts (OP2) which are formed in the shape of an island. The flexible band part (FB) may be made of an elastic rubber. Since the flexible band part (FB) has a flexible characteristic as well as an elasticity, the shoe can be easily inputted into the inside of the crampon 1000 through the first opening part (OP1), and the flexible band part (FB) can closely contact with the shoe after the shoe has been inserted into the inside of the crampon 1000. Moreover, since the flexible band part (FB) is equipped with a plurality of the second opening parts (OP2), the flexibility of the flexible band part (FB) can be enhanced in whole, and the area covered by the flexible band part (FB) can be expanded by the second opening parts (OP2), by means of which the flexible band part (FB) can be more substantially fitted in the shoe.

The chain spike part (CP) is connected to the flexible band part (FB) and is configured to cover, in a chain shape, the front side, the rear side, the lateral side and the bottom side of the shoe and may include a plurality of a chain spike parts (CP) which position where the chains are connected with each other. The chain spike part (CP) may include a crampon spike unit (EPU). The chain spike part (CP) may be made of a metal, but it is not limited to. It may be made of a plastic material, a rubber material, a ceramic material, a synthetic material, etc.

FIG. 3 is a perspective view illustrating a crampon spike unit in FIG. 1.

As illustrated in FIG. 3, the crampon spike unit (EPU) may position at one or more of the front side and the rear side of the shoe. In the first embodiment of the present invention, it positions at the front side of the shoe. The crampon spike unit (EPU) is able to prevent any slipping of the shoe at an inclined and slippery area. The crampon spike unit (EPU) may include a first crampon spike (EP1), and a second crampon spike (EP2).

FIG. 4 is a perspective view illustrating a first crampon spike in FIG. 1, and FIG. 5 is a side view illustrating a first crampon spike in FIG. 1.

Referring to FIGS. 4 and 5, the first crampon spike (EP1) may position at one or more of the front side and the rear side of the shoe and may include a plurality of spikes which project in different directions from each other. Since the first crampon spike (EP1) includes a plurality of spikes which project in different directions from each other, a plurality of the spikes may spike at inclined portions in an inclined and slippery area where various slopes may be formed, thus preventing any slipping of the shoe. A plurality of the spikes may include a first spike part (P1) and a second spike part (P2).

The first spike part (P1) may include a first through hole (H1) which extends in a set first direction when the crampon 1000 is fitted to the shoe and positions at a tapered end portion while passing through, a second through hole (H2) which positions at the other end and to which an engaging ring (CC) is engaged, and a first narrow part (C1) which positions between the first through hole (H1) and the second through hole (H2) and in the inside of a bent passing-through part (IH) of the second spike part (P2), which will be described later, and has a narrower width as compared to the other portions.

Since the first spike part (P1) includes the first through hole (H1), the first spike part (P1) may spike at an inclined portion in an inclined and slippery area. Even though a stress applies to the first spike part (P1), the stress may distribute in the first through hole (H1), whereby the breaking of the first spike part (P1) by the stress can be inhibited. There may be provided the crampon 1000 equipped with the first crampon spike (EP1) having an enhanced impact resistance.

The second spike part (P2) may include a first sub-spike part (SP1) which extends in a second direction which is different from the first direction when the crampon 1000 is fitted to the shoe, a bent passing-through part (IH) through which the first spike (P1) passes through and which is bent and extends, a second sub-spike part (SP2) which is bent and extends from the first sub-spike part (SP1) and extends in a third direction, a third through hole (H3) which positions at an end portion of the second sub-spike part (SP2) and is formed passing through, and a second narrow part (C2) which positions between the bent passing-through part (IH) and the third through hole (H3) and has a width narrower than other portions.

Since the second spike part (P2) includes the bent passing-through part (IH), and the third through hole (H3), each of the first sub-spike part (SP1) and the second sub-spike part (SP2) can spike in place at an inclined portion in an inclined and slippery area. Even though a stress applies to the second spike part (P2), the stress can distribute in the bent passing-through part (IH) and the third through hole (H3), by which the breaking of the second spike part (P2) due to the stress can be inhibited. There may be provided the crampon 1000 equipped with the first crampon spike (EP1) having an enhanced impact resistance.

There are provided a plurality of the second spike parts (P2). Each of a plurality of the second spike parts (P2) may be interconnected with each other.

The second narrow part (C2) of any of the second spike parts (P2) may position inside the bent passing-through part (IH) of another second spike part (P2), and another engaging ring (CC) may be engaged to the third through hole (H3) of the second spike part (P2) which positions at the outer most portion among a plurality of the second spike parts (P2).

The first crampon spike (EP1) including the first spike part (P1) and a plurality of the second spike parts (P2) may include a plurality of spikes which project in different directions toward the front side of the shoe in such a way that the first narrow part (C1) of the first spike part (P1) positions inside of the bent passing-through part (IH) of the second spike part (P2), and a portion of the first spike part (P1) passes through the second spike part (P2), and the second narrow part (C2) of any of a plurality of the second spike parts (P2) positions inside of the bent passing-through part (IH) of another second spike part (P2), and a portion of any of the second spike part (P2) passes through another second spike part (P2). There may be provided the first crampon spike (EP1) which is able to prevent any slipping of the shoe since a plurality of the spikes can spike in place at an inclined portion in an inclined and slippery area where various slopes may exist.

FIG. 6 is a perspective view illustrating a second crampon spike in FIG. 1, and FIG. 7 is a side view illustrating a second crampon spike in FIG. 1. For the sake of convenient descriptions, in FIGS. 6 and 7, a connection chain is connected to the second crampon spike.

As illustrated in FIGS. 6 and 7, the second crampon spike (EP2) is a bottom spike for a crampon, and it may position at one or more of the front side of the bottom of a shoe and the rear side of the bottom of the shoe. In the first embodiment of the present invention, the second crampon spike (EP2) positions at the front side of the bottom of the shoe. The second crampon spike (EP2) may include a plate-shaped main body part (MM) which extends curved or rectilinear, and a plurality of bottom spikes which project in different directions from each other. Since the second crampon spike (EP2) includes a plurality of the bottom spikes which project in different directions from each other, a plurality of bottom spikes can spike in place at an inclined portion in an inclined and slippery area where various slopes may exist, thus preventing any slipping of the shoe. A plurality of the bottom spikes may include a plurality of first bottom spikes (BP1) and a plurality of second bottom spikes (BP2).

A plurality of the first bottom spikes (BP1) may project from the main body part (MM) to the front side of the shoe, and a plurality of the first bottom spikes (BP1) each are formed spaced apart from each other and project in different directions.

A plurality of the second bottom spikes (BP2) projects from the main body part (MM) toward the bottom of the shoe, and a plurality of the second bottom spikes (BP2) each are spaced apart from each other. A plurality of the first bottom spikes (BP1) and a plurality of the second bottom spikes (BP2) each are arranged alternate to each other in the extending direction of the main body part (MM).

Meanwhile, the crampon spike unit (EPU) according to a first embodiment of the present invention may include a first crampon spike (EP1) and a second crampon spike (EP2). The crampon spike unit according to another embodiment of the present invention may include only a second crampon spike to which the connection chain in FIGS. 6 and 7 are connected.

The second crampon spike (EP2) includes a plurality of the first bottom spikes (BP1) and a plurality of the second bottom spikes (BP2) which form a plurality of the bottom spikes which project in different directions from each other from the front side of the bottom of the shoe, by which a plurality of the bottom spikes can spike at an inclined portion in an inclined and slippery area where various slopes exist, thus preventing any slipping of the shoe. There may be provided a second crampon spike (EP2) which is able to prevent any slipping of the shoe at an inclined and slippery area.

Since the crampon 1000 according to a first embodiment of the present invention includes the crampon spike unit (EPU) formed of the first crampon spikes (EP1) and the second crampon spikes (EP2) which are able to prevent any slipping of the shoe at an inclined and slippery area where various slopes may exist, any slipping of the shoe at an inclined and slippery area can be prevented. There may be provided the crampon 1000 which is able to prevent any slipping of the shoe at an inclined and slippery area where various slopes may exist.

Moreover, in the crampon 1000 according to a first embodiment of the present invention, since the flexible band part (FB) includes a plurality of the second opening parts (OP2), the flexibility of the flexible band part (FB) can be enhanced in whole, and the area covered by the flexible band part (FB) can increase with the aid of the second opening parts (OP2), by which the flexible band part (FB) can be substantially supported by the shoe. For this, the crampon 1000 can be provided, which can be easily fitted to the shoe, and at the same time, it can be substantially supported by the shoe.

Furthermore, since the crampon 1000 according to a first embodiment of the present invention is equipped with the first crampon spikes (EP1) the impact resistance of which has been enhanced, any breaking due to stress can be inhibited. For this, there may be provided the crampon 1000 the impact resistance of which has been enhanced.

The crampon according to a second embodiment of the present invention will be described below.

The crampon according to a second embodiment of the present invention may include a crampon spike unit which positions at the front side and rear side of a shoe. More specifically, the crampon spike unit may be provided multiple in number, and a plurality of the crampon spike units can position at the front side and rear side of the shoe.

Since the crampon according to a second embodiment of the present invention includes a plurality of the crampon spike units which each position at the front side and rear side of the shoe, any slipping at the front side and rear side of the shoe can be prevented at an inclined and slippery plate where various slopes may exist, so any slipping of the shoe at an inclined and slippery area can be prevented. There may be provided the crampon which is able to prevent any slipping of the shoe at an inclined and slippery area where various slopes may exist.

The crampon spike according to a third embodiment of the present invention will be described with reference to FIGS. 8 and 9.

FIG. 8 is a perspective view illustrating a crampon spike according to a third embodiment of the present invention, and FIG. 9 is a side view illustrating a crampon spike according to a third embodiment of the present invention.

As illustrated in FIGS. 8 and 9, the crampon spike (EP1) according to a third embodiment of the present invention may be located at the same position as the above described first crampon spike and may include a plurality of third spike parts (P3). A plurality of the third spike parts (P3) are engaged to each other.

The third spike parts (P3) each may include a third sub-spike part (SP3) which is tapered and extends in one direction and has a fourth through hole (H4), a tail part (TA) which is bent from the third sub-spike part (SP3) and is bent and extends curved and has a fifth through hole (H5) located spaced apart from the fourth through hole (H4), and a sixth through hole (H6) which is located at a bent portion between the third sub-spike part (SP3) and the tail part (TA).

Since the third spike part (P3) is equipped with the fourth through hole (H4), the fifth through hole (H5) and the sixth through hole (H6), the third spike part (P3) can spike at an inclined portion in an inclined and slippery area. Even though a stress applies to the third spike part (P3), the stress may distribute in the fourth through hole (H4), the fifth through hole (H5) and the sixth through hole (H6), so any breaking of the third spike part (P3) due to the stress can be inhibited. There may be provided the crampon spike (EP1) the impact resistance of which has been enhanced.

The tail part of the third spike part (P3) has a width which becomes gradually narrower and narrower in the direction from the third sub-spike part (SP3) to an end portion thereof, and the tail part (TA) of any of the neighboring third spike parts (P3) passes through the fourth through hole (H4) and the fifth through hole (H5) of another third spike part (P3). Moreover, an engaging ring (CC) which passes through the fourth through hole (H4) and the fifth through hole (H5) is engaged to the third spike part (P3) which positions at an outer most end portion among a plurality of the third spike parts (P3), and another engaging ring (CC) is engaged to the tail part (TA) at the third spike part (P3) which positions at the other outer most end portion thereof.

Since a plurality of the third spike parts (P3) each include a plurality of spikes (EP1) which are engaged to each other and project in different directions toward the front side of the shoe, a plurality of spikes can spike at an inclined portion in an inclined and slippery area where various slopes are provided, thus preventing any slipping of the shoe. There may be provided the crampon spike (EP1) which is able to prevent any slipping of the shoe at an inclined and slippery area.

The crampon spike according to a fourth embodiment of the present invention will be described with reference to FIGS. 10 and 11.

FIG. 10 is a perspective view illustrating a crampon spike according to a fourth embodiment of the present invention, and FIG. 11 is a side view illustrating a crampon spike according to a fourth embodiment of the present invention.

As illustrated in FIGS. 10 and 11, the crampon spike (EP1) according to a fourth embodiment of the present invention may position at the same position as the above described first crampon spike and may include a plurality of fourth spike parts (P4), and a plurality of connection rings (CG) which are able to interconnect a plurality of the fourth spike parts (P4).

The fourth spike part (P4) may include a fourth sub-spike part (SP4) which is tapered in one direction and is equipped with a plurality of seventh through holes (H7), and a bent part (IP) which is equipped with a plurality of eighth through holes (H8) which are bend and extend from the fourth sub-spike part (SP4) and are arranged spaced apart from the seventh through holes (H7), and a plurality of ninth through holes (H9) which are arranged spaced apart from the eighth through holes (H8).

Since the fourth spike part (P4) is equipped with the seven through holes (H7), the eighth through holes (H8) and the ninth through holes (H9), the fourth spike part (P4) can spike at an inclined portion in an inclined and slippery area. Even though a stress applies to the fourth spike part (P4), the stress can distribute in the seventh through holes (H7), the eighth through holes (H8) and the ninth through holes (H9), by which any breaking of the fourth spike part (P4) due to the stress can be inhibited. There may be provided the crampon spike (EP1) the impact resistance of which has been enhanced.

An end of the connection ring (CG) which is located between the neighboring fourth spike parts (P4) is engaged passing through the ninth through hole (H9) of any of the neighboring fourth spike parts (P4), and the other end of the connection ring (CG) is engaged passing through the seventh through hole (H7) and the eighth through hole (H8) of any of the neighboring fourth spike parts (P4). For this, a plurality of the fourth spike parts (P4) are interconnected by the connection ring (CG), thus forming the crampon spike (EP1) which may include a plurality of spikes which project in different directions from each other.

Since a plurality of the fourth spike parts (P4) are engaged to each other via the connection ring (CG), and the crampon spike (EP1) includes a plurality of spikes which protrude in different directions from each other toward the front side of the shoe, by which a plurality of the spikes can spike at an inclined portion in an inclined and slippery area where various slopes may exist, thus preventing any slipping of the shoe. There may be provided the crampon spike (EP1) which is able to prevent any slipping of the shoe at an inclined and slippery area.

The crampon according to a fifth embodiment of the present invention will be described with reference to FIG. 12.

FIG. 12 is a perspective view illustrating a crampon according to a fifth embodiment of the present invention.

As illustrated in FIG. 12, a crampon 1005 according to a fifth embodiment of the present invention may include, but is not limited to, a flexible band part (FB), a chain spike part (CP), and a logo part (LG).

The logo part (LG) may be connected to the flexible band part (FB) and may position inside of the second opening part (OP2), wherein a predetermined image, for example, a trademark, a character, a graphic, a number, a picture, etc. may be provided at the logo part (LG). Since the logo part (LG) positions inside of the second opening part (OP2) and is connected to the flexible band part (FB), various images can be shown to the outside, while inhibiting any transformation to the entire shapes of the flexible band part (FB) which is supported closely contacted with the shoe, wherein the aforementioned transformation may occur due to the long part (LG).

Moreover, if the logo part (LG) is changed using various images, there may be provided the crampon 1005 which is able to provide various images based on the images which are provided at each logo part (LG).

As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described examples are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims. 

1. A crampon spike fastened to a crampon fitted to a shoe, comprising: a plurality of spikes which position at one or more of the front side of the shoe and the rear side of the shoe and projects in different directions from each other.
 2. The spike of claim 1, wherein a plurality of spikes each comprise: a first spike part which extends in a first direction; and a second spike part which includes a bent passing-through part through which the first spike part passes through, a first sub-spike part which extends in a second direction, and a second sub-spike part which is bent end extends from the first sub-spike and extends in a third direction.
 3. The spike of claim 2, wherein the first spike part comprises: a first through hole which positions at an end thereof, while passing through the same; a second through hole which positions at the other end thereof, while passing through the same; and a first narrow part which positions inside of the bent passing-through part and between the first through hole and the second through hole and has a predetermined width which is narrower than that of each of other portions.
 4. The spike of claim 3, wherein the end thereof is formed tapered, and an engaging ring is engaged to the second through hole.
 5. The spike of claim 2, wherein the bent passing-through part is bent and extends, and the second spike part comprises a third through hole which positions at an end while passing through the same, and a second narrow part which positions between the bent passing-through part and the third through hole and has a predetermined width which is narrower than that of each of other portions.
 6. The spike of claim 5, wherein the second spike part is provided multiple in number, and a plurality of the second spike parts are interconnected to each other.
 7. The spike of claim 6, wherein the second narrow part of any of the neighboring second spike parts positions inside of the bent passing-through part of another second spike part.
 8. The spike of claim 5, wherein the other engaging ring is engaged to the third through hole of the second spike part which positions at the outer most portion among a plurality of the second spike parts.
 9. The spike of claim 1, wherein a plurality of the spikes comprise a third spike part which includes a third sub-spike part tapered and extending in one direction and having a fourth through hole, and a tail part which is bent and extends curved from the third sub-spike part and includes a fifth through hole which is arranged spaced apart from the fourth through hole.
 10. The spike of claim 9, wherein the third spike part further comprises a sixth through hole which positions at the bent portion between the third sub-spike part and the tail part.
 11. The spike of claim 9, wherein the third spike part is provided multiple in number, and a plurality of the third spike parts each are interconnected to each other.
 12. The spike of claim 11, wherein the tail part of any of the neighboring third spike parts passes through the fourth through hole and the fifth through hole of another third spike part.
 13. The spike of claim 11, wherein an engaging ring is engaged passing through the fourth through hole and the fifth through hole of the third spike part which positions at an outer most end portion among a plurality of the third spike parts, and the other engaging ring is engaged to the tail part of the third spike part which positions at the other outer most other end portion.
 14. The spike of claim 9, wherein the tail part has a width which gradually becomes narrower and narrower in the direction from the third sub-spike part to an end portion thereof.
 15. The spike of claim 1, wherein a plurality of the spikes comprise a fourth spike part which includes a fourth sub-spike part which is tapered and extends in one direction and includes a plurality of seventh through holes; and a bent part which is bent and extends from the fourth sub-spike part and includes a plurality of eighth through holes arranged spaced apart from the seventh through holes, and a plurality of ninth through holes arranged spaced apart from the eighth through holes.
 16. The spike of claim 15, wherein the fourth spike part is provided multiple in number, and a plurality of connection rings are further provided to interconnect a plurality of the fourth spike parts.
 17. The spike of claim 16, wherein an end of the connection ring located between the neighboring fourth spike parts is engaged passing through the ninth through hole of any of the neighboring fourth spike parts, and the other end of the connection ring is engaged passing through the seventh through hole and the eighth through hole of another fourth spike part.
 18. A crampon spike fastened to a crampon fitted to a shoe, comprising: a plurality of bottom spikes which position at one or more of the bottom front side of the shoe and the bottom rear side of the shoe and projects in different directions from each other.
 19. The spike of claim 18, wherein a plurality of the bottom spikes comprise a plurality of bottom spikes which project in the direction of the front side of the shoe, and a plurality of second bottom spikes which project in the direction of the bottom side of the shoe.
 20. The spike of claim 19, wherein a plurality of the first bottom spikes are arranged spaced apart from each other, and a plurality of the second bottom spikes are arranged spaced apart from each other.
 21. A crampon spike unit fastened to a crampon fitted to a shoe, comprising: a crampon spike of claim 1; and a crampon bottom spike including a plurality of bottom spikes which are fastened to the crampon spike and position at one or more of the bottom front side of the shoe and the bottom rear side of the shoe and project in different direction from each other.
 22. A crampon which is fitted to a shoe, comprising: a flexible band part which covers, in a closed loop shape, the rim of the shoe and forms a first opening part into which the shoe is inserted; and a chain spike part which is connected to the flexible band and covers the shoe in a chain type and includes a crampon spike of claim
 1. 23. The crampon of claim 22, wherein the crampon spike positions at the front side and the rear side of the shoe.
 24. The crampon of claim 22, wherein the flexible band part is made of a rubber material, and the chain spike part is made of a metal material.
 25. The crampon of claim 22, wherein the flexible band part includes one or more second opening parts which are formed in the shape of an island.
 26. The crampon of claim 25, further comprising: one or more logo parts which are connected to the flexible band part and position inside of the second opening part.
 27. The crampon of claim 26, wherein images are provided at the logo part. 